Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 123 · 40 questions

What you do (Float or sink?): 1. Fill a tub with water on a towel, with an adult nearby. 2. Guess “float” or “sink” for each object and write it in a table. 3. Gently place each object on the water and write what happens. 4. Press the sinking clay into a boat shape and try again; wipe up spills.

1. 1.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the tub of water (c) the kind of clay (d) the amount of clay
4. 4.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) its hollow shape (d) it has a magnet
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) whether it floats (c) the amount of clay
6. 6.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) yeast (d) a tub of water
7. 7.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a results table (c) turmeric powder (d) a battery cell
8. 8.True or false: a cork floats on water. (a) False (b) True
9. 9.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) yeast (d) a results table
11. 11.True or false: a steel spoon sinks in water. (a) True (b) False
12. 12.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) an iron nail (d) a dry leaf
14. 14.🔍 Which is the odd one out? (a) an iron nail (b) a pebble (c) a coin (d) a ping-pong ball
15. 15.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
16. 16.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
17. 17.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) play near a deep pond (d) run around the tub
18. 18.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the shape of the clay”? (a) we measure it (b) we keep it the same (c) we change it
20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a results table (d) small test objects
21. 21.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
22. 22.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) a few ice cubes (d) more plain water
23. 23.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the tub (d) the cork itself
24. 24.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) an ice cube (d) a glass marble
25. 25.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
27. 27.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the amount of clay”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🔍 Which is the odd one out? (a) an iron nail (b) a ball of clay (c) an empty capped bottle (d) a steel spoon
30. 30.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a battery cell (d) a mirror
32. 32.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it still floats (d) it turns white
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a battery cell (d) a tub of water
34. 34.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
35. 35.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) small test objects (d) a towel for spills
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) False (b) True
38. 38.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
39. 39.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to hide the corks (d) to win a prize
40. 40.🛟 Which of these floats on water? (a) a metal key (b) a steel spoon (c) an iron nail (d) a piece of thermocol

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids